Cookies. Cookies are messages that our web server passes to your web browser when you visit our website. Your browser stores each message in a small file which is called a cookie. Accepting a cookie does not give our server access to your computer or any of your personal information accept for information you have purposefully given. The types of cookies used by our website are as follows: User‑input cookies (session-id) such as first‑party cookies to keep track of the user’s input when filling online forms, shopping carts, etc., for the duration of a session or persistent cookies limited to a few hours in some cases Authentication cookies, to identify the user when logged in, for the duration of a session User‑centric security cookies, used to detect authentication abuses, for a limited persistent duration Multimedia content player cookies, used to store technical data to playback video or audio content, for the duration of a session load‑balancing cookies, for the duration of session User‑interface customisation cookies such as language or font preferences, for the duration of a session Third‑party social plug‑in content‑sharing cookies, for logged‑in members of a social network.